Annotations: 2VB3

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth X]	SCOP2B Superfamily	CcmE-like	8103610	3001545	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth X]	Abhydrolase_1	e2vb3X1	A: alpha bundles	X: HTH	H: Nudix	T: Nudix	F: Abhydrolase_1	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth X]	2.40.50.320	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Copper binding periplasmic protein CusF	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth X]	PF11604	Copper binding periplasmic protein CusF (CusF_Ec)	Copper binding periplasmic protein CusF	CusF is a periplasmic protein involved in copper and silver resistance in Escherichia coil. CusF forms a five-stranded beta-barrel OB fold. Cu(I) binds to H36, M47 and M49 which are conserved residues in the protein [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth X]	CATION EFFLUX SYSTEM PROTEIN CUSF	cation binding transition metal ion binding ion binding binding metal ion binding small molecule binding metallochaperone activity molecular carrier activity copper chaperone activity copper ion binding	response to stimulus response to metal ion response to chemical response to silver ion response to zinc ion response to copper ion transport monoatomic ion transmembrane transport silver ion transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization response to stimulus response to metal ion response to chemical response to silver ion response to zinc ion response to copper ion transport monoatomic ion transmembrane transport silver ion transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization silver ion transmembrane transport transition metal ion transport monoatomic ion transport cellular process monoatomic cation transport detoxification of inorganic compound detoxification of copper ion detoxification stress response to copper ion response to toxic substance response to stress stress response to metal ion inorganic ion homeostasis homeostatic process intracellular copper ion homeostasis copper ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis copper ion transmembrane transport copper ion transport copper ion export	cellular anatomical structure periplasmic space outer membrane-bounded periplasmic space cell envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth X]	IPR021647	Copper binding periplasmic protein CusF	Family
A [auth X]	IPR042230	Copper binding periplasmic protein CusF superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.